Profile: Energy Absorption System, Inc. offers a variety of crash cushions. Our products include Brakemaster™, Sentre™, Trend™, G-R-E-A-T™, QuadGuard® elite crash cushion systems and EASI-cell™ cluster systems. Quadguard elite system cylinders are made of polyethylene plastic (HDPE). Our materials include sand, aluminum cells, elastomeric cylinders and proprietary, steel and foam cartridges. We are accredited with ISO 9002 certification.